Debit card: a role in consumption and savings, but not overdrawn. Credit Card: is a real credit card, an overdraft facility, there are certain interest-free period, but non-interest bearing deposits. Quasi Credit Card: with Chinese characteristics, some debit card and credit card function, can be overdrawn, but there is interest, interest-bearing deposits. Cards: the bank issued together with the mall, and vouchers, have a certain face value, spent failure. Savings card: is the expansion of current deposits, sometimes with the debit card function of the same, but with a savings passbook.